sanguine/ˈsæŋgwɪn; `sæŋɡwɪn/ adj(fml 文)1 ~ (about sth/that...) hopeful; optimistic 充满希望的; 乐观的 not very sanguine about our chances of success 对我们成功的机会不很乐观 sanguine that we shall succeed 自信我们将成功.2 having a red complexion 面色红润的.
牛津英汉双解词典